/* Case study page — refined layout (case-study.html) */

.case-study-page .cs--refined {
  --cs-accent: rgba(99, 102, 241, 0.14);
  --cs-accent-2: rgba(34, 211, 238, 0.12);
}

.case-study-page .cs-hero--refined {
  padding: clamp(56px, 7vw, 88px) 0 clamp(40px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 55% at 12% -10%, rgba(99, 102, 241, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 40% at 92% 0%, rgba(34, 211, 238, 0.08), transparent 50%);
}

.case-study-page .cs-hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.02em;
}

.case-study-page .cs-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35em 0.75em;
  margin-bottom: 1rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  letter-spacing: 0.06em;
}

.case-study-page .cs-hero__media-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    var(--shadow-md),
    0 0 0 1px rgba(99, 102, 241, 0.08) inset;
}

.case-study-page .cs-hero__media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.35) 100%);
}

.case-study-page .cs-highlights {
  display: grid;
  gap: clamp(12px, 2vw, 16px);
  margin-top: clamp(28px, 4vw, 40px);
  padding-top: clamp(24px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

@media (min-width: 721px) {
  .case-study-page .cs-highlights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.case-study-page .cs-highlight {
  padding: clamp(16px, 2.5vw, 22px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.case-study-page .cs-highlight__index {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-2);
}

.case-study-page .cs-highlight__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-2);
}

.case-study-page .cs-outcome--refined {
  padding: clamp(36px, 5vw, 52px) 0;
  background: transparent;
  border-bottom: 1px solid var(--line);
}

.case-study-page .cs-outcome__card {
  padding: clamp(24px, 3.5vw, 36px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(99, 102, 241, 0.25);
  background: linear-gradient(135deg, var(--cs-accent), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-sm);
}

.case-study-page .cs-outcome__label {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.case-study-page .cs-outcome__text {
  max-width: none;
  font-size: clamp(1.125rem, 2.2vw, 1.375rem);
  line-height: 1.55;
}

.case-study-page .cs-outcome__text strong {
  color: var(--ink);
  font-weight: 600;
}

.case-study-page .cs-section--story {
  padding-top: clamp(48px, 6vw, 72px);
}

.case-study-page .cs-split--cards {
  gap: clamp(20px, 3vw, 28px);
}

.case-study-page .cs-card {
  padding: clamp(24px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.case-study-page .cs-card .cs-section__title {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.case-study-page .cs-section__head {
  margin-bottom: clamp(20px, 3vw, 28px);
  max-width: 42ch;
}

.case-study-page .cs-section__lede {
  margin: 0.35rem 0 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.case-study-page .cs-deliverables {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

@media (min-width: 721px) {
  .case-study-page .cs-deliverables {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.case-study-page .cs-deliverable {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.case-study-page .cs-deliverable__num {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  padding-top: 0.15em;
}

.case-study-page .cs-deliverable__text {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-2);
}

.case-study-page .cs-results--grid {
  display: grid;
  gap: 14px;
  max-width: none;
}

@media (min-width: 721px) {
  .case-study-page .cs-results--grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.case-study-page .cs-result-item {
  position: relative;
  margin: 0;
  padding: 18px 18px 18px 2.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  list-style: none;
  color: var(--ink-2);
  line-height: 1.5;
}

.case-study-page .cs-result-item::before {
  top: 1.35em;
  left: 14px;
  width: 8px;
  height: 8px;
  background: var(--grad);
}

.case-study-page .cs-tags li {
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.case-study-page .cs-tags li:hover {
  border-color: rgba(99, 102, 241, 0.35);
  color: var(--ink);
}

.case-study-page .cs-nav--refined {
  padding-bottom: clamp(64px, 8vw, 96px);
}

.case-study-page .cs-nav__projects {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 3vw, 32px);
  padding-bottom: clamp(24px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 721px) {
  .case-study-page .cs-nav__projects {
    grid-template-columns: 1fr 1fr;
  }
}

.case-study-page .cs-nav__project {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.case-study-page .cs-nav__project:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.06);
}

.case-study-page .cs-nav__project--next {
  text-align: right;
}

.case-study-page .cs-nav__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.case-study-page .cs-nav__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
}

.case-study-page .cs-nav__project--empty {
  display: none;
}

@media (min-width: 721px) {
  .case-study-page .cs-nav__project--empty {
    display: block;
    visibility: hidden;
  }
}

.case-study-page .portfolio-card__category,
.portfolio-listing .portfolio-card__category {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}